Question

TEM and SEM are the same microscopy techniques.

(a) True

(b) False

The question was posed to me in an internship interview.

Origin of the question is Techniques in portion Techniques in Cell Biology of Cell Biology

Answer 1

Right choice is (b) False

The best explanation: Both Transmission Electron Microscope (TEM) and Scanning Electron Microscope (SEM) use electrons to generate images but they differ by the mode of image generation. TEM uses electrons that pass through the sample whereas SEM uses electrons that are reflected or knocked off from the sample.